YT

Yuya Tomomizu

Canon: 21 patents #3,043 of 19,416Top 20%
Overall (All Time): #205,598 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11640122 Electroconductive member, process cartridge, and image forming apparatus Yuichi Kikuchi, Satoru Nishioka, Kenji Takashima, Kazuhiro Yamauchi, Masahiro Kurachi +4 more 2023-05-02
11397388 Process for producing an electrophotographic electroconductive member Satoru Nishioka, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kazuhiro Yamauchi +5 more 2022-07-26
11385559 Electroconductive member, process cartridge, and image forming apparatus Yuichi Kikuchi, Satoru Nishioka, Kenji Takashima, Kazuhiro Yamauchi, Masahiro Kurachi +4 more 2022-07-12
11307509 Electro-conductive member, method for producing same, process cartridge and electrophotographic image forming apparatus Tetsuo Hino, Yasuhiro Fushimoto, Norifumi Muranaka, Masafumi Kyogaku, Masaki Yamada +5 more 2022-04-19
11175602 Electroconductive member, process cartridge, and electrophotographic image forming apparatus Satoru Nishioka, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kazuhiro Yamauchi +5 more 2021-11-16
11112748 Developing member, process cartridge and electrophotographic apparatus Masaki Yamada, Yuichi Kikuchi, Tetsuo Hino, Kazuhiro Yamauchi, Takumi Furukawa +3 more 2021-09-07
10663913 Process cartridge and electrophotographic apparatus Tatsuya Yamaai, Kazunori Noguchi, Shuhei Iwasaki, Akira Sakakibara, Daisuke Miura +2 more 2020-05-26
10558136 Charging member, manufacturing method of charging member, electrophotographic apparatus, and process cartridge Takumi Furukawa, Hiroaki Watanabe, Kenya Terada, Toshimitsu Nakazawa 2020-02-11
10545453 Process cartridge and electrophotographic apparatus Shuhei Iwasaki, Kazunori Noguchi, Harunobu Ogaki, Tatsuya Yamaai, Daisuke Miura +2 more 2020-01-28
10317811 Charging member, method for producing same, process cartridge and electrophotographic image forming apparatus Takumi Furukawa, Hiroaki Watanabe, Kenya Terada, Kazuhiro Gesho 2019-06-11
10146149 Charging member, electrophotographic process cartridge, and electrophotographic image forming apparatus Hiroaki Watanabe, Takumi Furukawa, Kenya Terada, Toshiro Suzuki, Kenichi Yazawa +1 more 2018-12-04
10139747 Electrophotographic roller and charging apparatus Satoru Yamada, Toshiro Suzuki, Toshimitsu Nakazawa 2018-11-27
9910379 Charging member with concave portions containing insulating particles and electrophotographic apparatus Takumi Furukawa, Hiroaki Watanabe, Kenya Terada, Toshiro Suzuki, Kenichi Yazawa +1 more 2018-03-06
9904199 Charging member having outer surface with concave portions bearing exposed elastic particles, and electrophotographic apparatus Kenya Terada, Takumi Furukawa, Hiroaki Watanabe, Toshiro Suzuki, Kenichi Yazawa +1 more 2018-02-27
9372428 Charging member and method for manufacturing the same Noriaki Kuroda, Noriko Nagamine 2016-06-21
8755714 Charging member, process cartridge and electrophotographic apparatus Noriko Nagamine, Noriaki Kuroda 2014-06-17
8526857 Charging member, process for its production, process cartridge and electrophotographic apparatus Noriaki Kuroda, Masataka Kodama, Noriko Suzumura, Hiroki Masu 2013-09-03
8503911 Charging member and method of producing the member, process cartridge, and electrophotographic image-forming apparatus Noriko Suzumura, Noriaki Kuroda, Masataka Kodama, Hiroki Masu 2013-08-06
8501325 Charging member, process cartridge, and electrophotographic apparatus Noriaki Kuroda, Noriko Nagamine 2013-08-06
8469867 Charging member, process cartridge, and electrophotographic apparatus Noriaki Kuroda, Noriko Nagamine 2013-06-25
8447214 Charging member and process for its production Noriaki Kuroda, Noriko Nagamine 2013-05-21